It's officially holiday shopping season, and retailers are counting on your consumer impulses to drive you to buy everything your lustful heart desires. If you've ever ended up with a cart full of fishbowls, bedazzlers, and life-sized giraffe statues, you know shopping fever can cause you to make some pretty stupid choices. Here's a look at some of the most common motivators of bad shopping decisions and what you can do to put a stop to them. More »